7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    By what number should \[\frac{-33}{4}\] be divided to get\[\frac{-22}{3}\] ?

    A) \[\frac{-4}{3}\]                         

    B)  \[\frac{8}{9}\]

    C)  \[\frac{9}{8}\]           

    D) \[\frac{-3}{7}\]

    Correct Answer: C

    Solution :

    (c) Required number\[=\frac{-33}{4}\div \frac{-22}{3}\] \[\begin{align}   & =\frac{-33}{4}\times \frac{3}{-22}=\frac{-99}{-88}\times \frac{\bcancel{99}}{\bcancel{88}}=\frac{9}{8} \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,8 \\ \end{align}\]                 


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